Lamp.



Ui-lU W. c. GOLBMANQ LLM?.

9*?6,723. Patented Nov. 22V, 1910.

3 SHEETS-SHEET 1.

APPLIOATIDH I'ILEB IAE 25, 1910. l:

W. G. COLEMAN.

LAMP.

Anuounox rum )un as, 1910.

976,723, Patented N0v.22,1910.

Y 3 SHEETS-SHEET 2.

Ze? ZZ www . EIjZJJj- *s 65 g amm@ www M www; c @wf/M;-

W. G. COLEMAN.

Y LAMP. AYPLIOATIOK ILED H815, 19N). Y

976,728. Patented N0v.22,1910.

3 SHEETS-SHEET 3.

'nu "uns rxrnu ca, Humana'. n c.

UNTEE STATES PATENT OFFCE.

WILLIAM". C. COLEMAN, OF WICHITA., KANSAS.

LAMP.

Specicaton of Letters Patent.

Patented Nov. 22, 1910.

" Application mea march 25, 1910. serial No. 551,557.

To all whom 'it may concern:

Be it known that I, WILLIAM C. COLE- MAN, a citizen of the United States, residing at Wichita, in the county of Sedgwick and State of Kansas, have invented new and useful Improvements in Lamps, of which the following is a specification.

The present invention relates to lamps of the type in which the liquid. hydrocarbon iS lirst vaporized and is afterward mixed with air before burning, the llame being employed for making a mantle 0r like structure incandescent. In this type of lamp, 1t is advantageous, it not absolutely necessary, to have the vaporizing tube comparatively thin, and it is preferaby constructed of brass or similar metal. As a result, it becomes brittle when heated, and if the upper lamp structure is supported thereby, there is some danger of the tube breaking if the lamp should fall.

It is therefore one of the primary Vobjects of the present invention to provide supporting means for the upper elements of the lamp that will remove the weight of the same from the vaporizing tube. At the same time, a very compact structure is secured, by means of which the tube can be kept thoroughly heated.

In the drawiugs:-l*`igure 1 is a vertical sectional view through a lamp, showing one embodiment of the invention. Fig. Q is a detail sectional view on an enlarged scale and substantially ou (he line 2 2 of Fig. 1, and Figs. 3, 4 and 5 are detail sectional views through other forms ot' structure.

Similar reference numerals designate corresponding parts in all the figures of the drawings.

Referring first to the embodiment disclosed in Figs. 1 and 2, a base font. 6 is employed, from which extends a. vertical central support 7 constituting means for conducting the liquid fuel from the font G'to the vaporizer. Threaded into, or otherwise secured to the upper end of the pipe 7, is a head S, having a passageway 9 for the fuel, which passageway leads to an offset elbow 10 that is connected by a union 11 to the lower end of a vertical vaporizing tube 12. This vaporizing tube has a cap 13 on its upper end that carries an offset coupling 14 terminating in an internal valve seat 15, and connected to this coupling 14 is a head 16 terminating in a depending vapor discharge nozzle 17. A. controlling valve 18 is also mounted on the head 16, and c operates with the valve seat 15 in a manner well understood, to regulate and cut oli the passage of vapor from the tube 12 to the nozzle. Mounted on the head S is a standard 19, the upper end of which carries an air and vapor mixing chamber 20, shown in section in F ig. 2. Said chamber has depending burners 21 that communicate with the upper portion thereof, as shown at 22, and said burners also constitute supports for inverted mantles 23,

as is well understood to those skilled in the y art. Extending downwardly through the top of the mixing chamber, and well toward the lower portion thereof, is a Bumsen tube 24, the upper end of which engages in a coupling 25 having a nipple 26 at its upper end that detachahly receives the nozzle 17. This coupling also has an outstanding tubular extension 2T constituting an air inlet that is controlled by an adjustable cap 28. A guide sleeve 29 is preferably carried by the coupling, and surrounds the vaporizing tube, said sleeve having threaded therein, a set screw 30, which, with the extension 27, constitutes a support for the metal ring 31, to which the shade 32 is connected in the well known manner. lVith this construction, it will be obvious that the comparatively heavy superstructure of the lamp is supported by the standard 19, and the vaporizing tube is thus relieved of the weight. At the same time, the tube is maintained in proper relation, particularly at its upper end, by means of the collar Q9. Furthermore, it will be evideut that the mechanism is exceedingly compact, and with the exception of the projecting parts to be manually operated, is entirely hidden by the shade and its hanger. It will also be seen that the operating means for the valve is located outside the heat from the lm1ue1s,'as is also the packing :for said valve.

In l? ig. 3, a. slightly modiiied form of construction is shown. In this embodiment, the fuel conducting pipe is designated 33, and carries a head 34 connected by a. union 35 with the lower end of the vaporizing tube 3G. This tube is disposed axially of the pipe 33. In this instance, the standard 37 is offset and is slidably mounted in an extension 38 of the head, being normally held against its sliding movement by a set screw 39. The upper end of the standard carries a mixing chamber 40, from one side of which are suspended depending burners 41 carrying mantles 42, these burners being disposed on opposite sides of the vaporizing tube 1n a manner well understood. The upper end of the vaporizing tube 36 has an otl'set portion 43 carrying a depending nozzle 44, and the flow of the vapor to the nozzle is regulated by the usual valve 45. A coupling head 46 has a nipple that detachably receives the nozzle 44, and has an air inlet 47. It also has a depending Bunsen or air and vapor conducting tube 48 that extends through the top of the mixing chamber 40, and depends within the same, as shown at 49. Said coupling furthermore has a bracing collar 50 that is slidable upon the vaporizing tube, and a pin or set screw 5l, threaded into the collar, serves, with the air inlet extension 47, as a support for the shade hanffer 52.

The modification illustrated in Fig. 4 is peculiarly adaptable for use with a single mantle, but it is not necessarily limited thereto. In this type of burner, the support or fuel conducting pipe is designated 53, and carries a head 54 having a passageway 55 for the hydrocarbon. This passageway is connected, through a union 56, to the lower end ot the vporizing tube 57. A standard 58 also carried by the head, is disposed alongside the tube 57 in parallel relation thereto. Connecting the upper ends of the tube 57 and standard 58, 1s a coupling 59 having a vapor discharge nozzle 60, arranged between the tubc and standard, and a controlling valve (S1 is located in this coupling. Slidably mounted on the standard and vaporizing tube, is another coupling 62 held in place by a set screw G3 threaded thereinto and engaging the standard. This coupling has an upper nipple G4 that detachably receives the nozzle 60, and is also provided with an air inlet G5. An air and vapor mixing or Bunsen tube 6G depends from the coupling, and carries at its lower end a burner over which the mantle 67 is mounted.

Referring now to Fig. 5, still another embodiment of the invention is disclosed. In this form, the upper end of the support or fuel-conducting pipe is designated G8, and carries a head 69, from which extends the vaporizii'ig tube 70 and a standard 71. The upper end of this vaporizing tube is provided with an offset coupling 79. containing a controlling valve 7 3 and having a depending -discharge nozzle 74 that detachably communicates wit i the upper end of a couiling 75 having an air inlet 76 and an arm 7 provided with a guide collar 78 that is slidable on the vaporizing tube. This coupling furthermore carries a depending Bunsen or air and mixing conducting tube 79 that delivers into the lower portion of a mixing chamber 80 mounted on the upper end of the standard 71. The mixing chamber is provided with one or more burners 81,

from tles. v

It will be clear that all of these structures involve the same general principle of construction, and have the same advantageous features, in that the parts are supported separately'from the vaporizing tube, so that said tube can be made smaller and of light gage. rFhey are all compact and the parts are entirely accessible for the purpose of cleansing and repair.

From the foregoing, it is thought that the construction, operation and many advantages of the herein described invention will be apparent to those skilled in the art, without further description, and it will be understood that various changes in the size, shape, proportion and minor details of construction, may be resorted to without departing from the spirit or sacrificing any ot' the advantages of the invention.

Having thus fully described my inventien, what I claim as new, cure by Letters Patent, is

l. In a lamp, the combination with a support, of a vaporizing tube and a standard, both mounted on the support, air mixing means mounted on and supported by the standard, said means being associated with the valporizing tube, and an inverted burner suspended from the air mixing means and associated with the vaporizing tube and with the mixing means for heating both.

2. In a lamp, the combination with a support, of a vaporizing tube and a standard, both mounted on the support, air mixing means mounted on and supported by the standard, said means being associated with the vaporizing tube, and an inverted burner suspended from the air mixing means and associated with the vaporizing tube, said burner being disposed adjacent to the lower portion of the air mixing means for heating the same.

3. In a lamp, the combination with an upright support, of a vaporizer mounted thereon and having a depending discharge nozzle, air mixing and burning means adjustably mounted on the support independently of the vaporizer and movable downwardly out of associated relation with the discharge nozzle, and means for securing the said mixing and burning means against movement.

4. In a lamp, the combination with a support, of a vaporizing tube mounted thereon, a standard located alongside the tube and carried by the su-pport, a depending discharge nozzle connected to the tube, air mixing and burning means slidably mounted on the standard and detachably associated with the nozzle, said means being movable down wardly to expose the nozzle, and means for securing the air mixing and burning means against its sliding movement on the standard and inassociated relation with the nozzle.

which are suspended the usual many 72.luLumzummeeugmS;

'@ixing, sida.

5. In a lamp, the combination with u substantially u rlght fuel conducting pipe, of a head earned by the upper end thereof, a. vaporzng tube mounted on the head and communicating with the pipe, a standard also mounted on the head, a depending nozzle connected to the n per end of the vaporizug tube, a controlling vulve interposed between the nozzle and tube, air mixing and 1f) burning means having collars 'slidably lretlsmae set my hand in the presence of two subserb- 15 ing witnesses.

WILLIAM C. COLEMAN. Witnesses:

D. S. COLEMAN, GEO. D. SHmLDs. 

